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.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at http://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.\"
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.TH CURLOPT_CERTINFO 3 "19 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_CERTINFO \- request SSL certificate information
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CERTINFO, long certinfo);
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.SH DESCRIPTION
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Pass a long set to 1 to enable libcurl's certificate chain info gatherer. With
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this enabled, libcurl will extract lots of information and data about the
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certificates in the certificate chain used in the SSL connection. This data may
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then be retrieved after a transfer using \fIcurl_easy_getinfo(3)\fP and its
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option \fICURLINFO_CERTINFO\fP.
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.SH DEFAULT
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0
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.SH PROTOCOLS
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All TLS-based
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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This option is supported by the OpenSSL, GnuTLS, NSS and GSKit backends.
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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.BR CURLOPT_CAINFO "(3), " CURLOPT_SSL_VERIFYPEER "(3), "
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